HHH-11108 - Add test to prove that @Basic( fetch = FetchType.LAZY ) really works as expected
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7247f05a21
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@ -19,6 +19,7 @@ buildscript {
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}
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dependencies {
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classpath 'org.asciidoctor:asciidoctor-gradle-plugin:1.5.2'
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classpath "org.hibernate:hibernate-gradle-plugin:$hibernateTargetVersion"
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}
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}
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@ -29,6 +30,15 @@ apply plugin: 'hibernate-matrix-testing'
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apply from: "${rootProject.projectDir}/utilities.gradle"
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apply plugin: 'org.hibernate.orm'
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hibernate {
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enhance {
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enableLazyInitialization = true
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}
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}
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defaultTasks 'buildDocs'
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configurations {
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@ -62,6 +72,7 @@ dependencies {
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testCompile( project(':hibernate-testing') )
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testCompile( libraries.mockito )
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testRuntime( libraries.h2 )
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testRuntime( libraries.hsqldb )
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testRuntime( libraries.postgresql )
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@ -0,0 +1,43 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
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* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
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*/
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package org.hibernate.userguide.model;
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import javax.persistence.Basic;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.Id;
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import javax.persistence.Lob;
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/**
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* @author Vlad Mihalcea
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*/
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@Entity
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public class Image {
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@Id
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private Long id;
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@Lob
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@Basic( fetch = FetchType.LAZY )
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private byte[] content;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public byte[] getContent() {
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return content;
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}
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public void setContent(byte[] content) {
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this.content = content;
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}
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}
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@ -0,0 +1,83 @@
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
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* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
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*/
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package org.hibernate.userguide.fetching;
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import java.sql.PreparedStatement;
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import java.util.List;
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import java.util.Map;
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import org.hibernate.cfg.AvailableSettings;
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import org.hibernate.dialect.H2Dialect;
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import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
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import org.hibernate.userguide.model.Image;
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import org.hibernate.testing.RequiresDialect;
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import org.hibernate.test.util.jdbc.PreparedStatementSpyConnectionProvider;
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import org.junit.Test;
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import org.jboss.logging.Logger;
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import static org.hibernate.testing.transaction.TransactionUtil.doInJPA;
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import static org.junit.Assert.assertArrayEquals;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertNotNull;
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/**
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* @author Vlad Mihalcea
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*/
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@RequiresDialect(H2Dialect.class)
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public class LazyBasicAttributeTest extends BaseEntityManagerFunctionalTestCase {
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private static final Logger LOGGER = Logger.getLogger( LazyBasicAttributeTest.class );
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private PreparedStatementSpyConnectionProvider connectionProvider = new PreparedStatementSpyConnectionProvider();
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@Override
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protected Class<?>[] getAnnotatedClasses() {
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return new Class<?>[] {
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Image.class,
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};
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}
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@Override
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protected Map buildSettings() {
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Map settings = super.buildSettings();
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settings.put(
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AvailableSettings.CONNECTION_PROVIDER,
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connectionProvider
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);
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return settings;
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}
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@Override
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public void releaseResources() {
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super.releaseResources();
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connectionProvider.stop();
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}
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@Test
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public void test() {
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doInJPA( this::entityManagerFactory, entityManager -> {
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Image image = new Image();
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image.setId(1L);
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image.setContent(new byte[] {1, 2, 3});
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entityManager.persist(image);
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});
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doInJPA( this::entityManagerFactory, entityManager -> {
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connectionProvider.clear();
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Image image = entityManager.find(Image.class, 1L);
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LOGGER.debug("Fetched image");
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List<PreparedStatement> preparedStatements = connectionProvider.getPreparedStatements();
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assertEquals( 1, preparedStatements.size() );
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assertNotNull( connectionProvider.getPreparedStatement( "select image0_.id as id1_0_0_ from Image image0_ where image0_.id=?" ) );
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assertArrayEquals(new byte[] {1, 2, 3}, image.getContent());
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preparedStatements = connectionProvider.getPreparedStatements();
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assertEquals( 2, preparedStatements.size() );
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assertNotNull( connectionProvider.getPreparedStatement( "select image_.content as content2_0_ from Image image_ where image_.id=?" ) );
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});
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}
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}
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